Can I stop taking Deltasone 20mg for cough?

Hi!!! i have a very serious coughing problems and my doctor has given me tablets which i am writing below- 1.tablet Provair 10mg ---night 1 (continue) 2.Tablet Pulmodox 200mg---night 1 (continue) 3.Tablet Deltasone 20mg ---morning (after breakfast-7 days) 4.Tablet Pantonix 40mg---morning 1 and night 1 (before eating-1 month) 5.Tablet Orcef 400mg---morning and night 1 tablet for 7 days... my blood pressure is 100/70 and i had a coughing problem last 7 days and i am taking this tablets for the last 3 days and my doctor has given me steroids tablets which i have already taken 3 days...can i stop taking deltason 20 mg now as i have no interest to take this steroid anymore???can you reduce the amount now if possible ...thank you...